The DeepCool DeepCool PK750D 750 Watt 80 PLUS Bronze Power Supply is a highly efficient DC-DC board developed for the +3.3V and +5V rails to help achieve tighter voltage control and increase system compatibility for next-generation components. The PK-D series is rated 80 PLUS Bronze and offers up to 85% efficiency under average load, avoiding extra heat waste and reducing energy expenditures. designed to provide continuous, reliable power production while operating with ease at temperatures as high as 40°C and altitudes as high as 5000m. To comply with wide ErP Lot,6 criteria and reduce smelly power-efficient when in sleep mode. The DeepCool PK750D 750 Watt 80 PLUS Bronze Power Supply Comes with a 05-Year Warranty